.mar_auto {
    margin-right: auto;
    margin-left: auto;
}
.re {
    position: relative;
}
.mt70 {
    margin-top: 70px;
}
.min_h400 {
    min-height: 400px;
}
.w432 {
    width: 432px;
}
.btn_1 {
    display: inline-block;
    line-height: 16px;
    padding: 15px 0;
    margin-bottom: 30px;
    border-radius: 3px;
    font-family: Microsoft YaHei,SimHei;
    background: #03a9f4;
    border: 1px solid #0398db;
    color: #fff;
    font-size: 20px;
    text-align: center;
    cursor: pointer;
}
.w430 {
    width: 430px;
}
.pf_ipt_user, .pf_ipt_pass, .pf_ipt_verify{
    height: 20px;
    line-height: 20px;
    padding: 13px 20px;
    margin-bottom: 30px;
    width: 390px;
    border: 1px solid #d9d9d9;
    border-radius: 3px;
    color: #888;
    font-size: 16px;
    font-family: Microsoft YaHei,SimHei;
}
.w230{
    width: 230px;
}